They filmed in the street
The folk music of slaves brought to Latin America and the Caribbean islands is closer in sound to its African roots because of two reasons. First, the cultural practices of the slaves brought to North America were suppressed. Second, slaves in Latin America and the Caribbean were allowed to play drums.
Answer : Dancers worldwide all have different styles of dance that they perform. There are signature moves or a unique "addition" to how much effort they put into dancing and perfection.
After religious spinster's (Katharine Hepburn) missionary brother is killed in WWI Africa, dissolute steamer captain (Humphrey Bogart) offers her safe passage. She's not satisfied so she persuades him to destroy a German gunboat. The two spend most of their time fighting with each other rather than the Germans, time alone on the river leads to love